#include <stdio.h> 

int main(int argc, char **argv) {
    int a = 1;
    int *ip = (int *)&a;
    char *cp = (char *)&a;
    void *vp = (void *)&a;

    printf("%p\n", &a);
    printf("ip:%p\n", ip + 1);
    printf("cp:%p\n", cp + 1);
    printf("vp:%p\n", vp + 1);
    return 0;
}
